Planting green manure in orchard can improve soil physical and chemicalproperties，then reduce nutrientloss， improve tree nutrition as well as fruit yield and quality.Therefore，the use of mineral fertilizers can be replaced partially by planting green manure.Five fertilization treatments were set up in Fenghuangshan Citrus Base of DangyangCity，Hubei Province，namely，the local conventional nitrogen fertilizer application(N100)，planting green manure without N application(GN0)，planting green manure with 70% of the local conventional nitrogen fertilizer application(GN70)，planting green manure with 85% of the local conventional nitrogen fertilizer application(GN85)，planting green manure withlocal conventional nitrogen fertilizer application(GN100).The effects of Vicia villosavar.glabrescens planting with reducednitrogen fertilization on soilfertility，fruit yield and quality in citrus orchard wereinvestigated.The results showed that in the first year of planting V.villosavar.glabrescens of 75 kg·hm-2in the citrusorchard，the soil fertility(totalnitrogen，alkali -hydrolyzed nitrogen，available phosphorus and available potassium，trace elementsFe，Mn，Cu andZn)，the fruit yieldand quality(fruit longitudinal diameter，peel thickness，soluble solids，titratableacid，vitamin C and ediblerate) were notsignificantly affected by reducing the amount of nitrogen fertilizer by30%.This study indicates that green manure planting of 75 kg·hm-2in citrus orchards can replace the application of chemical fertilizer at30%，and it will not reduce the soil fertilityand the yield and quality of citrusfruits.The results can provide theoretical basis and technical reference for the promotion of green manure planting and the reduction of nitrogen fertilizer application in citrus orchards.